import axios from 'axios'
import router from '@/router/routers'
import { Notification } from 'element-ui'
import store from '../store'
import { getToken } from '@/utils/auth'
import Config from '@/settings'
import Cookies from 'js-cookie'

// 创建axios实例
const service = axios.create({
  baseURL: process.env.NODE_ENV === 'production' ? process.env.VUE_APP_BASE_API : '/', // api 的 base_url
  timeout: Config.timeout // 请求超时时间
})

// request拦截器
service.interceptors.request.use(
  config => {
    const warehouse = Cookies.get('warehouse')
    let prefix = ''
    switch (warehouse) {
      case 'prod':
        prefix = 'pw' // 成品仓前缀
        break
      case 'semi':
        prefix = 'sw' // 半成品仓前缀
        break
      case 'all':
        prefix = 'aw' // 全部前缀
        break
      default:
        prefix = '' // 默认无前缀或其他处理
    }
    // 给请求URL添加前缀，避免在基础URL上重复添加
    if (prefix && !config.url.startsWith(`/${prefix}/`) && !config.url.startsWith(prefix)) {
      config.url = `/${prefix}${config.url.startsWith('/') ? '' : '/'}${config.url}`
    }
    if (getToken()) {
      config.headers['Authorization'] = getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
    }
    // config.headers['Content-Type'] = 'application/json'
    // if (config.url.includes('importExcel') || config.url.includes('fileUpload') || config.url.includes('importContainerExcel')) {
    //   config.headers['Content-Type'] = 'multipart/form-data'
    // }
    return config
  },
  error => {
    Promise.reject(error)
  }
)

// response 拦截器
service.interceptors.response.use(
  response => {
    return response.data
  },
  error => {
    // 兼容blob下载出错json提示
    if (error.response.data instanceof Blob && error.response.data.type.toLowerCase().indexOf('json') !== -1) {
      const reader = new FileReader()
      reader.readAsText(error.response.data, 'utf-8')
      reader.onload = function(e) {
        const errorMsg = JSON.parse(reader.result).message
        Notification.error({
          title: errorMsg,
          duration: 5000
        })
      }
    } else {
      let code = 0
      try {
        code = error.response.data.status
      } catch (e) {
        if (error.toString().indexOf('Error: timeout') !== -1) {
          Notification.error({
            title: '网络请求超时',
            duration: 5000
          })
          return Promise.reject(error)
        }
      }
      console.log(code)
      if (code) {
        if (code === 401) {
          store.dispatch('LogOut').then(() => {
            // 用户登录界面提示
            Cookies.set('point', 401)
            location.reload()
          })
        } else if (code === 403) {
          router.push({ path: '/401' })
        } else if (code === 404) {
          // 获取当前仓库信息
          const warehouse = Cookies.get('warehouse')
          let warehouseName = ''
          switch (warehouse) {
            case 'prod':
              warehouseName = '成品仓'
              break
            case 'semi':
              warehouseName = '半成品仓'
              break
            case 'all':
              warehouseName = '全仓库'
              break
            default:
              warehouseName = '当前仓库'
          }
          // 显示跨仓库访问的404提示
          Notification.error({
            title: `访问受限`,
            message: `您当前在${warehouseName}，无法访问其他仓库的资源。请确认访问路径是否正确或切换仓库后重试。`,
            duration: 6000
          })
        } else {
          const errorMsg = error.response.data.message
          if (errorMsg !== undefined) {
            Notification.error({
              title: errorMsg,
              duration: 5000
            })
          }
        }
      } else {
        Notification.error({
          title: '接口请求失败',
          duration: 5000
        })
      }
    }
    return Promise.reject(error)
  }
)
export default service
